Reinforced concrete beam V-shaped supporting continuous rigid frame bridge
A technology for rigid-frame bridges and steel beams, applied in bridges, bridge parts, bridge materials, etc., can solve the problems of large beam section size, heavy weight, affecting the spanning capacity of the structure, etc., and achieve the effect of small section size
Inactive Publication Date: 2020-07-17
CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP
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Problems solved by technology
[0003] Although concrete girder bridges and continuous (beam) rigid frame-arch composite structure bridges are widely used in long-span bridges of high-speed railways, there are problems of large cross-sectional size and weight of mid-span beams and affecting the spanning capacity of structures.
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[0045] In order to make the technical solutions and advantages in the embodiments of the present application clearer, the exemplary embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present application, and Not an exhaustive list of all embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0046] Such as figure 1 and Figure 5 As shown in the structure, the embodiment of the present application provides a steel-concrete girder V-shaped support continuous rigid frame bridge, which includes a cap foundation 1, bridge piers 2, V-shaped diagonal legs 3, concrete beam sections 4, steel structure Beam section 5 and steel-concrete composite beam section 6; figure 1 and Figure 5 As shown in the structur...
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The embodiment of the invention relates to the technical field of bridges, in particular to a reinforced concrete beam V-shaped supporting continuous rigid frame bridge. The reinforced concrete beam V-shaped supporting continuous rigid frame bridge comprises a bearing platform foundation, bridge piers, V-shaped inclined legs, concrete beam sections, steel structure beam sections and reinforced concrete combined beam sections. The bridge pier is erected at the top of the bearing platform foundation, the bottom of the V-shaped inclined leg is fixedly installed on the bridge pier, the concrete beam section is supported at the top of the V-shaped inclined leg, and the V-shaped inclined leg and the concrete beam section form a V-shaped continuous rigid frame system; the steel structure beam sections are located in the midspan position of the main span and fixedly connected between the two adjacent concrete beam sections through the reinforced concrete combined beam sections. The continuousrigid frame bridge has the advantages of being small in midspan beam body section size, light in weight and large in structure spanning capacity.
Description
technical field [0001] The present application relates to the technical field of bridges, in particular to a steel-concrete girder V-shaped support continuous rigid frame bridge. Background technique [0002] The construction of high-speed railways inevitably needs to cross rivers, mountains and various roads, and it is necessary to build long-span or even super-long-span bridges. Concrete bridges have high structural rigidity and low cost, which can well meet the smoothness requirements of high-speed railways. The long-span beam bridges used in my country's high-speed railways still give priority to concrete bridges. For high-speed railway concrete girder bridges, the control of bridge structure creep and temperature deformation is the key to determine whether large-span prestressed concrete continuous (beam) rigid frame bridges on high-speed railways can develop into long-span. The maximum span does not exceed 150m. The main span of high-speed railways between 150m and 30...
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IPC IPC(8): E01D1/00E01D2/04E01D19/02E01D21/00E01D101/24E01D101/26E01D101/30
CPCE01D1/00E01D2/04E01D19/02E01D21/00E01D2101/24E01D2101/26E01D2101/30
Inventor 王冰朱勇战郭波江荣丰高磊娄杰李方柯王丽丽
Owner CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP